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Finding the Third Proportional to 39,169,464 and 81,518,034

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Solution

The third proportional to 39,169,464 and 81,518,034 is: 169,652,305.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,169,464 : 81,518,034 = 81,518,034 : x
  2. Step 2: Convert to fraction form
    39,169,464/81,518,034 = 81,518,034/x
  3. Step 3: Cross multiply
    39,169,464x = 81,518,034 × 81,518,034
  4. Step 4: Simplify right side
    39,169,464x = 6,645,189,867,225,156
  5. Step 5: Solve for x
    x = 6,645,189,867,225,156/39,169,464
  6. Step 6: Final answer
    x = 169,652,305.36

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.